Ford Mustang (1999-2004) Service Manual: Transmission Description (Description and Operation)
The 4R70W has the following features:
- Wide ratio gears
- Four speeds
- Rear wheel drive
- Automatic
- Electronic shift
- Torque converter clutch control
- Line pressure controls
The transmission uses Ravigneaux-style double-pinion gearset with two bands, one one-way roller clutch, one mechanical diode and four friction clutches to produce four forward gears and Reverse.
4R70W Automatic Transmission

Automatic Transaxle/Transmission
General Specifications
a - MERCON V is not interchangeable at this time with the current MERCON
fluids. Check the
transmission fluid level indicator to determine the correct fluid and refer to
the ...
Identification Tags
All vehicles are equipped with a Vehicle Certification Label, located
on the driver side door lock post.
For correct transmission identification, refer to the code in the space
marked TR.
...
Other materials:
Crankshaft Main Bearing Journal - Clearance
Special Tool(s)
Plastigage
303-D031 (D81L-6002-B) or
equivalent
NOTE: Crankshaft main bearing journals must be within specifications
before checking journal
clearance.
1. Remove the crankshaft main bearing caps and crankshaft main bearing.
...
Heater Core
Removal
NOTE: If a heater core leak is suspected, the heater core must be
pressure leak tested before it is
removed from the vehicle. For additional information, refer to Section.
1. Remove the evaporator core housing. For additional information, refer to
E ...
Engine (Disassembly)
Special Tool(s)
Service Set, Camshaft
303-017 (T65L-6250-A)
Remover, Crankshaft Vibration
Damper
303-009 (T58P-6316-D)
Lifting Bracket Set, Engine
303-D095 (D94L-6001-A) or
equivalent
Remover, Power Stee ...
